Home / 117,731.73-162,468.60-64,016.76

Finding the Fourth Proportional to 117,731.73, 162,468.60 and 64,016.76

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Solution

The fourth proportional to 117,731.73, 162,468.60 and 64,016.76 is: 88,342.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,731.73 : 162,468.60 = 64,016.76 : x
  2. Step 2: Convert to fraction form
    117,731.73/162,468.60 = 64,016.76/x
  3. Step 3: Cross multiply
    117,731.73x = 162,468.60 × 64,016.76
  4. Step 4: Simplify right side
    117,731.73x = 10,400,713,373.74
  5. Step 5: Solve for x
    x = 10,400,713,373.74/117,731.73
  6. Step 6: Final answer
    x = 88,342.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.